package com.pancm.test.nettyTest.demo;


import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;

import java.io.IOException;

/**
 * Title: NettyClient
 * Description: Netty客户端
 * Version:1.0.0
 *
 * @author Administrator
 * @date 2017 -8-31
 */
public class NettyClient {

    /**
     * The constant host.
     */
    public static String host = "127.0.0.1";  //ip地址
    /**
     * The constant port.
     */
    public static int port = 6789;			//端口
    /// 通过nio方式来接收连接和处理连接   
    private static EventLoopGroup group = new NioEventLoopGroup(); 
    private static  Bootstrap b = new Bootstrap();
    private static Channel ch;

    /**
     * Netty创建全部都是实现自AbstractBootstrap。
     * 客户端的是Bootstrap，服务端的则是	ServerBootstrap。
     *
     * @param args the input arguments
     * @throws InterruptedException the interrupted exception
     * @throws IOException          the io exception
     */
    public static void main(String[] args) throws InterruptedException, IOException {
        	System.out.println("客户端成功启动...");
            b.group(group);
            b.channel(NioSocketChannel.class);
            b.handler(new NettyClientFilter()); 
            // 连接服务端
            ch = b.connect(host, port).sync().channel();
            star();
    }

    /**
     * Star.
     *
     * @throws IOException the io exception
     */
    public static void star() throws IOException{
    	String str="Hello Netty";
    	ch.writeAndFlush(str);
//    	ch.writeAndFlush(str+ "\r\n");
    	System.out.println("客户端发送数据:"+str);
   }
    	
}